期刊
COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL
卷 20, 期 -, 页码 1427-1438出版社
ELSEVIER
DOI: 10.1016/j.csbj.2022.03.013
关键词
Network-based score; Drug repurposing; Alzheimer's disease
资金
- Muscular Dystrophy Association Cyprus/Telethon Cyprus
- European Commission Research Executive Agency (REA) [BIORISE 669026]
This study proposes a network-based method for drug repurposing against different stages of Alzheimer's disease. It ranks candidate repurposed drugs based on their structural similarity with existing drugs and re-ranks them based on functional, structural, and a priori information. The method also considers the permeability through the Blood Brain Barrier. The proposed methodology has been validated on known clinical trial drugs and shows promising results.
Alzheimer's disease (AD) is a progressive neurodegenerative disease and the most common type of dementia. With no disease-curing drugs available and an ever-growing AD-related healthcare burden, novel approaches for identifying therapies are needed. In this work, we propose stage-specific candidate repurposed drugs against AD by using a novel network-based method for drug repurposing against different stages of AD severity. For each AD stage, this approach a) ranks the candidate repurposed drugs based on a novel network-based score emerging from the weighted sum of connections in a network resembling the structural similarity with failed, approved or currently ongoing drugs b) re-ranks the candidate drugs based on functional, structural and a priori information according to a recently developed method by our group and c) checks and re-ranks for permeability through the Blood Brain Barrier (BBB). Overall, we propose for further experimental validation 10 candidate repurposed drugs for each AD stage comprising a set of 26 elite candidate repurposed drugs due to overlaps between the three AD stages. We applied our methodology in a retrospective way on the known clinical trial drugs till 2016 and we show that we were able to highly rank a drug that did enter clinical trials in the following year. We expect that our proposed network-based drug-repurposing methodology will serve as a paradigm for application for ranking candidate repurposed drugs in other brain diseases beyond AD. (C) 2022 The Authors. Published by Elsevier B.V. on behalf of Research Network of Computational and Structural Biotechnology.
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